Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 118, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 1997, 1:11 AM CDT for Rogers County, Wagoner County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 8, 1997, 1:11 AM CDT (06:11 UTC)
- Expired
- May 8, 1997, 2:00 AM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Rogers County, OK, Wagoner County, OK
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 10:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.2 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 386 m²/s²
- 0-3 km storm-relative helicity
- 597 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
059 WUUS1 KTUL 080612 RRA SVRTUL OKC131-145-080700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 111 AM CDT THU MAY 8 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...SOUTHERN ROGERS COUNTY...WAGONER COUNTY AT 110 AM A CLUSTER OF SEVERE THUNDERSTORMS WAS OVER TULSA. AT 106 AM WINDS TO 60 MPH WERE REPORTED IN BIXBY. THE STRONGEST STORMS EXTENDED FROM OWASSO TO BIXBY. MOVEMENT WAS EAST AT 30 MPH. CATOOSA...CLAREMORE ...BROKEN ARROW...COWETA AND WAGONER ARE IN THE PATH OF THESE STORMS. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. &
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 8:35 PM CDT, 4 hours 36 minutes earlier.
Area forecast discussion, May 7, 8:35 PM CDT, 4 hours 36 minutes before
FPUS3 KTUL 080135 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 835 PM CDT WED MAY 7 1997 CURRENT FCST SEEMS TO HAVE AN EXCELLENT HANDLE ON THE EVOLVING SITUATION. TORNADIC TSTM APPROACHING THE NW PART OF THE FCST AREA ATTM HAS TURNED SOUTHEAST. WOULD EXPECT THIS STORM TO GRADUALLY WEAKEN DURING THE NEXT COUPLE HOURS AS IT MOVES OUT OF THE INSTABILITY AXIS AND LOW LEVEL CONVERGENCE NEAR THE STORM IS MINIMAL. HOWEVER...COMPLEX OF STORMS IN ERN KS IS HEADED SOUTHEAST TOWARDS NE OK AND NW AR AND STORMS DEVELOPING IN WRN OK AND THE TX PANHANDLE SHOULD AFFECT SE OK LATER TONIGHT. THESE TWO AREAS OF STORMS ARE ALONG THE COLD FRONT WHICH WILL MOVE INTO NE OK LATER TONIGHT AND ACROSS THE REST OF THE AREA THURSDAY. NO FCST UPDATE IS ANTICIPATED ATTM BUT MAY UPDATE ZONES AROUND MIDNIGHT TO REMOVE TIMING REFERENCES TO PRECIP AND UPDATE FOR ONGOING TRENDS AT THAT TIME. .TUL... OK...NONE. AR...NONE. PLATE
In the hours before
Local storm report, May 7, 11:47 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1147 PM CDT WED MAY 07 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0937 PM 7 W RALSTON OK TORNADO
05/07/97 OSAGE TORNADO REPORTED BY A
SPOTTER IN A RUAL AREA
1002 PM 1 SW FAIRFAX OK TORNADO
05/07/97 OSAGE BRIEF TORNADO REPORTED BY
FAIRFAX POLICE DEPARTMENT
1002 PM FAIRFAX OK 1 INCH HAIL
05/07/97 OSAGE
1023 PM 5 N HOMINY OK TORNADO
05/07/97 OSAGE BRIEF TORNADO REPORTED BY
A SPOTTER IN A RUAL AREA
1053 PM 5 W SKIATOOK OK TORNADO
05/07/97 OSAGE BRIEF TORNADO REPORTED BY
SKIATOOK POLICE DEPARTMENT
IN A RUAL AREA
1126 PM 1 S PAWNEE OK .75 INCH HAIL
05/07/97 PAWNEELocal storm report, May 7, 11:58 PM CDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1159 PM CDT WED MAY 07 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1155 PM( OSAGE OK .75 INCH HAIL
05/07/97 OSAGELocal storm report, May 7, 11:59 PM CDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1159 PM CDT WED MAY 07 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1155 PM OSAGE OK .75 INCH HAIL
05/07/97 OSAGEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:36 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 54 min |
| May 7, 9:24 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 66 min |
| May 7, 9:48 PM CDT | Flash Flood Warning | TSA | Osage | 5 hr |
| May 7, 10:15 PM CDT | Tornado Warning | TSA | Osage | 60 min |
| May 7, 10:39 PM CDT | Tornado Warning | TSA | Tulsa, Washington | 51 min |
| May 7, 10:45 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 45 min |
| May 7, 10:52 PM CDT | Flash Flood Warning | TSA | Pawnee | 4 hr |
| May 7, 11:27 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 48 min |
| May 7, 11:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 68 min |
| May 8, 12:03 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 42 min |
| May 8, 12:38 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 52 min |
| May 8, 2:09 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 51 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.